Adding Travis config file.
Merge pull request #22 from garnaat/add-travisci

Adding Travis config file.
Adding info about CloudWatch metrics to README.md.
Merge pull request #23 from garnaat/update-readme

Adding info about CloudWatch metrics to README.md.
Remove 2.6 as a test target.  Fix a test for Python 3.x.
Merge pull request #24 from garnaat/fix-tests

Remove 2.6 as a test target.  Fix a test for Python 3.x.